3G hangs during iOS4 installation

Discussion in 'iPhone Tips, Help and Troubleshooting' started by LAS.mac, Jun 22, 2010.

  1. LAS.mac macrumors 6502

    Joined:
    May 6, 2009
    Location:
    Mexico
    #1
    I'm trying to install iOS4 on my 3G. I already have upgraded iTunes to 9.2.
    Now, when I try to upgrade iOS, it hangs forever on the "backing up iPhone" window. It's the third trial now, Already 20 minutes gone, but the blue, progress bar is neither at 10% of the full length...

    Is this so slow? Should I let it all night long?
     
  2. celticpride678

    Joined:
    Feb 15, 2009
    Location:
    Boston, MA
    #2
    It seems like it is widespread that backing up takes a while on the iOS 4 upgrade. It will eventually work - just be patient.
     
  3. LAS.mac thread starter macrumors 6502

    Joined:
    May 6, 2009
    Location:
    Mexico
    #3
    OK then, I'll let it go...will take an on-line zen course, while I'm waiting...
     
  4. gusapple macrumors 6502a

    gusapple

    Joined:
    Jan 29, 2007
    Location:
    The alphabetically sixth to last state.
    #4
    One thing that I ended up doing was trashing the back up altogether. If you have backed up recently, you can just restore it from that backup after installing. What you need to do is follow these instructions. They worked for me and took about 10 minutes.
     

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